WO2021120240A1 - Automatic microorganism testing device - Google Patents

Abstract

An automatic microorganism testing device, the automatic microorganism testing device comprising a compartment, an imaging device, a sample inlet mechanism, a sample outlet mechanism, a lifting basket, a first dish-taking mechanism, a second dish-taking mechanism and a third dish-taking mechanism. A sample inlet region, a culture region, an observation region and a sample outlet region are formed in the compartment, and the culture region is used for storing culture dishes. A first temperature regulation device is provided in the culture region, and is used for regulating the temperature in the culture region. The imaging device is provided in the observation region, and is used for acquiring images of the culture dishes. The sample inlet mechanism is provided in the sample inlet region, and is used for conveying culture dishes to the sample inlet region. The sample outlet mechanism is provided in the sample outlet region, and is used for taking the culture dishes away from the sample outlet region.

Description

Microbiological automatic inspection equipment Technical field

The present invention relates to the technical field of microbial cultivation, in particular to an automatic microbial inspection equipment.

Background technique

In the inspection of microorganisms, the microorganisms need to be cultured. After the microorganisms are cultured for a certain period of time under suitable temperature and humidity conditions, the types and numbers of microorganisms can be observed and counted. In the current microbial cultivation, automated equipment for microbial inspection is often used to realize the automation of microbial cultivation and observation.

Similar to the French Intel Scientific Company, in order to automate the retrieval of petri dishes, basically all petri dishes are placed on a petri dish storage turntable. When a new petri dish is placed or taken out, the equipment compartment needs to be opened. Place or remove the petri dish.

Operating for a long time to take out or place the petri dish will on the one hand make the experiment inefficient, on the other hand, it will also cause the temperature in the equipment compartment to be abnormal for a period of time, which will affect the effective conduct of the experiment.

Summary of the invention

The main purpose of the present invention is to provide an automatic microbiological inspection equipment to solve the technical problem of the long time-consuming operation of removing or placing a culture dish in the prior art automatic microbiological inspection equipment.

In order to achieve the above object, the present invention provides an automatic microbiological inspection equipment, including: a cabin body, the cabin body is formed with a sample injection area, a culture area, an observation area, and a sample output area, the culture area is used to store the culture dishes; a first temperature The adjustment device is set in the culture area and is used to adjust the temperature in the culture area; the imaging device is set in the observation area and is used to collect images of the petri dish; the sampling mechanism is set in the sample area and is used to advance The sample area transports the petri dishes; the sample ejection mechanism is set in the sample ejection area and is used to remove the petri dishes from the sample ejection area; the carrying basket is movably set in the cabin to carry the petri dishes; the first dish-taking mechanism is set In the cabin, it is used to place the petri dishes in the sampling area in the basket located in the sampling area; the second dish-taking mechanism is arranged in the cabin and is used to move the basket at least in the sampling area, culture area and observation area. ; The third dish-taking mechanism is set in the cabin and is used to move the petri dish in the basket in the observation area to the imaging device, and is also used to move the petri dish after the image has been collected to the sample exit area.

In one embodiment, the sampling mechanism includes: a sampling storage basket for stacking petri dishes, the top of the sampling storage basket is provided with a sampling code relief opening, and the bottom of the sampling storage basket is provided with a sampling inlet and an operation hole; The sampling operation push claw is movably set in the horizontal direction, and the petri dish located at the bottom of the sampling storage basket is pushed out from the injection port through the operation hole; the sampling driving part is connected with the sampling operation push claw to drive Drive the sample injection operation to move the push claw.

In one embodiment, the sampling mechanism further includes a sampling slide, which is connected to the sampling port and is used to transport the culture dish from the sampling port to the sampling area.

In one embodiment, the sampling mechanism includes: a sampling storage basket for stacking petri dishes, the top of the sampling storage basket is provided with a sampling code discharge opening; the bottom plate can be raised and lowered, which is set in the sampling storage basket in a liftable manner; Lifting driving part, driving the lifting bottom plate to go up and down; sampling operation push claw, movably arranged in the horizontal direction, used to push the culture dish from the sampling code opening into the sampling storage basket, the sampling driving part, and the sampling operation The push claw drive connection is used to drive the push claw to move in the sample output operation.

In one embodiment, the sample discharging mechanism further includes a sample discharging slide plate, which is connected to the sample discharging code setting port, and is used for conveying the culture dish from the sample discharging area to the sample discharging code setting opening.

In one embodiment, the sample ejection slide plate is provided with an escape groove that avoids the sample ejection operation push claw.

In one embodiment, the first dish-taking mechanism includes: a first Y-axis guide rail, which is installed in the sampling area; a first Z-axis guide rail, which is movably installed on the first Y-axis guide rail; and a first X-axis guide rail, which can be It is movably installed on the first Z-axis guide rail; the first dish claw is movably installed on the first X-axis guide rail, and the first dish claw is used for grasping and placing the culture dish.

In one embodiment, the second dish-taking mechanism includes: a second X-axis guide rail, which is installed across the sample injection area and the culture area, and across the observation area and the culture area; and a second Z-axis guide rail, which is movably installed on the second On the X-axis rail; the second Y-axis rail is movably installed on the second Z-axis rail, and the second Y-axis rail spans the sampling area and the observation area; the second cuvette claw is movably installed on the second On the Y-axis guide rail, the second dish claw is used to hold and place the culture dish.

In one embodiment, the third dish-taking mechanism includes: a third X-axis guide rail, which is installed in the observation area; a third Z-axis guide rail, which is movably installed on the third X-axis guide rail; and a third Y-axis guide rail, which is movable It is installed on the third Z-axis guide rail and installed across the observation area and sample exit area; the third dish claw is movably installed on the third Y-axis guide rail, and the third dish claw is used to hold and place the culture dishes. .

In one embodiment, the automatic microbial inspection equipment further includes: a second temperature adjustment device, which is arranged in the observation area and is used to adjust the temperature in the observation area; and the controller is respectively connected to the first temperature adjustment device and the second temperature adjustment device. The device is electrically connected and used to control the temperature of the observation area to be the same as the temperature of the culture area.

Applying the technical solution of the present invention, when in use, the petri dish that needs to be cultured and tested is directly put into the sampling mechanism, the sampling mechanism can transport the petri dish to the sampling area, and then the first dish taking mechanism can transfer the sampling area Place the culture dish in the basket located in the sampling area, and the second dish picking mechanism will move the basket to the culture area for culture. After culturing for a period of time, the second dish picking mechanism moves the basket to the observation area, and the third dish picking mechanism moves the petri dish in the basket in the observation area to the imaging device for image acquisition. If the petri dish needs to continue culturing and image acquisition , Then put the petri dish back into the basket in the observation area, and then move the basket to the culture area by the second dish-taking mechanism to continue culturing; if the petri dish has completed all the cultivation and image acquisition work, the third dish-taking mechanism will The petri dish in the basket in the observation area moves to the sample exit area, and the sample exit mechanism removes the petri dish from the sample exit area. In the end, the operator only needs to remove all the tested petri dishes from the sampling organization. In this way, the automatic placement and removal of the petri dishes is realized, which is convenient for the operator to quickly remove or place the petri dishes of the automatic microbial inspection equipment, which improves the work efficiency; in addition, the operator can also close the cabin faster, Reduce the influence on the temperature in the cabin and ensure the validity of the experiment.

In addition to the objectives, features, and advantages described above, the present invention has other objectives, features, and advantages. Hereinafter, the present invention will be described in further detail with reference to the drawings.

Description of the drawings

The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 shows a three-dimensional schematic diagram of an embodiment of an automatic microbial inspection device according to the present invention;

2 shows a schematic diagram of the three-dimensional structure of the cabin door of the embodiment of the automatic microbial inspection equipment of FIG. 1 without the cabin body;

Fig. 3 shows a schematic top view of the structure of the automatic microbial inspection equipment of Fig. 2;

Fig. 4 shows a schematic structural diagram of a sampling mechanism of the automatic microbial inspection equipment of Fig. 1;

Figure 5 shows a schematic front view of the structure of the sample introduction mechanism of Figure 4;

FIG. 6 shows a schematic diagram of the structure of the sampling mechanism of the automatic microbial inspection equipment of FIG. 1;

FIG. 7 shows a schematic diagram of the front structure of the sample dispensing mechanism of FIG. 6.

Detailed ways

It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

It should be noted that the terms “first” and “second” in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and not necessarily used to describe a specific sequence or sequence. It should be understood that the terms used in this way are interchangeable under appropriate circumstances in order to facilitate the embodiments of the present invention described herein. In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those clearly listed. Those steps or units may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or equipment.

It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and/or "including" are used in this specification, they indicate There are features, steps, operations, devices, components, and/or combinations thereof.

Figures 1, 2 and 3 show an embodiment of the automatic microbiological inspection equipment of the present invention. The automatic microbiological inspection equipment includes a cabin 10, an imaging device 20, a sampling mechanism 30, a sampling mechanism 40, a basket 50, and a second A dish-taking mechanism 60, a second dish-taking mechanism 70, and a third dish-taking mechanism 80. A sample injection area a, a culture area b, an observation area c, and a sample discharge area d are formed in the cabin 10, and the culture area b is used for storing culture dishes. The first temperature adjusting device is provided in the culture area b, and is used to adjust the temperature in the culture area b. The imaging device 20 is arranged in the observation area c and is used for image collection of the petri dish. The sampling mechanism 30 is arranged in the sampling area a, and is used to transport the culture dish to the sampling area a. The sampling mechanism 40 is arranged in the sampling area d, and is used to remove the culture dish from the sampling area d. The basket 50 is movably arranged in the cabin 10 and used to carry a culture dish. The first dish-taking mechanism 60 is arranged in the cabin 10 and is used to place the petri dishes in the sample injection area a in the basket 50 located in the sample injection area a. The second dish-taking mechanism 70 is arranged in the cabin 10 and is used to move the basket 50 at least in the sample injection area a, the culture area b, and the observation area c. The third dish taking mechanism 80 is arranged in the cabin 10, and is used to move the petri dish in the basket 50 of the observation area c to the imaging device 20, and is also used to move the petri dish after image collection to the sample exit area d.

Applying the technical solution of the present invention, when in use, the culture dish that needs to be cultured and tested is directly put into the sampling mechanism 30, and the sampling mechanism 30 can transport the culture dish to the sampling area a, and then the first dish taking mechanism 60 can Place the petri dish in the sample injection area a in the basket 50 located in the sample injection area a, and the second dish-taking mechanism 70 will move the basket 50 to the culture area b for culturing. After incubating for a period of time, the second dish-taking mechanism 70 moves the basket 50 to the observation area c, and the third dish-taking mechanism 80 moves the petri dish in the basket 50 of the observation area c to the imaging device 20 for image acquisition. The dishes need to continue to be cultured and image collected, and then put the culture dishes back into the basket 50 in the observation area c, and then the second dish picking mechanism 70 moves the basket 50 to the culture area b to continue the culture; if the culture dishes have completed all the cultures , Image collection work, the third dish taking mechanism 80 moves the petri dish in the basket 50 in the observation area c to the sample exit area d, and the sample exit mechanism 40 takes the petri dish from the sample exit area d. In the end, the operator only needs to remove all the tested petri dishes from the sampling mechanism 40. In this way, the automatic placement and removal of the petri dish is realized, which is convenient for the operator to quickly remove or place the petri dish of the automatic microbial inspection equipment, which improves the work efficiency; in addition, the operator can also close the cabin faster 10 , Reduce the influence on the temperature in the cabin 10, and ensure the validity of the experiment.

As shown in the figure, in the technical solution of this embodiment, the cabin body 10 includes a bottom cabin and a cabin door that can be opened on the bottom cabin, and the imaging device 20, the dish-taking mechanism, the temperature adjustment device and the controller are all arranged in On the bottom compartment, the petri dishes can be taken and placed after the hatch is opened.

As shown in Figures 4 and 5, in the technical solution of this embodiment, the sampling mechanism 30 includes a sampling storage basket 31, a sampling operation push claw 32, and a sampling drive 33. The sampling storage basket 31 is used for stacking. In the petri dish, the top of the sample storage basket 31 is provided with a sample inlet 311, the bottom of the sample storage basket 31 is provided with a sample inlet 312 and an operation hole 313, and the sample injection operation push claw 32 is movably arranged in the horizontal direction. The petri dish located at the bottom of the sample injection storage basket 31 is pushed out from the sample inlet 312 through the operating hole 313. The sampling driving member 33 is drivingly connected with the sampling operation push claw 32 for driving the sampling operation push claw 32 to move. When in use, the petri dishes are placed in the sample storage basket 31 sequentially from the sample entry code setting port 311, and the sample driving member 33 drives the sample operation push claw 32 to move each time, and the bottom of the sample storage basket 31 can be moved. The petri dish is pushed out from the injection port 312, and the petri dish located on the petri dish will fall down and wait for the push claw 32 to push the petri dish out of the injection port 312 again.

Optionally, in the technical solution of this embodiment, the sample injection driving member 33 is composed of a motor screw nut mechanism, the motor and the nut member are drivingly connected and fixedly arranged, the screw member is connected with the sample injection operation push claw 32, and the screw Driven by the nut member, the sampling operation push claw 32 is driven to move.

More preferably, in the technical solution of this embodiment, the sampling mechanism 30 further includes a sampling slide 34, which is connected to the sampling port 312, and is used to transport the culture from the sampling port 312 to the sampling area a. Dish. The sampling slide 34 can transport the petri dish to the sampling area a more smoothly.

As shown in Figures 6 and 7, in the technical solution of this embodiment, the sample ejection mechanism 40 includes a sample storage basket 41, a liftable bottom plate 42, a lifting drive 43, a sample ejection push claw 44, and a sample drive. 45. The sample storage basket 41 is used for stacking petri dishes. The sample storage basket 41 is provided with a sample code setting port 411 at the top. The liftable bottom plate 42 is set up in the sample storage basket 41 so as to be lifted and lowered. The lift drive 43 can be driven. The lifting bottom plate 42 is raised and lowered, and the sample ejection operation push claw 44 is movably arranged in the horizontal direction, and is used to push the culture dish from the sample output code setting port 411 into the sample output storage basket 41. The sample output driving member 45 and the sample output operation push claw 44 drive connection, used to drive the sample operation push claw 44 to move. In use, as shown in FIG. 3, whenever there is a third dish taking mechanism 80 that moves the petri dish in the basket 50 in the observation area c to the circular dashed part of the sample output area d, the sample output driving member 45 drives out The sample operation push pawl 44 moves to push the culture dish from the sample delivery code opening 411 to the elevating bottom plate 42 in the sample storage basket 41, and then the elevating drive member 43 drives the elevating bottom plate 42 to drop to a certain position, and the sample drive member 45 again The sample ejection operation push pawl 44 is driven to place another petri dish pushing stack on the petri dish until the sample ejection storage basket 41 yards full of the petri dish.

Optionally, the sample output driving member 45 is also composed of a motor screw nut mechanism, the motor and the nut member are drivingly connected and fixedly arranged, the screw member is connected with the sample output operation push claw 44, and the screw member is driven by the nut member. The sample ejection operation push claw 44 moves. Optionally, the lifting driving member 43 may adopt an electric cylinder or a linear motor.

More preferably, the sample discharging mechanism 40 further includes a sample discharging slide 46, which is connected to the sample discharging code setting out port 411, and is used for conveying the petri dish from the sample discharging area d to the sample discharging code setting port 411. The sampling slide 46 can move the petri dish from the sampling area d to the sampling storage basket 41 more smoothly. Correspondingly, as shown in FIG. 6, the sampling slide 46 is provided with an avoiding groove 461 that avoids the sampling operation push pawl 44 to prevent the sampling slide 46 from affecting the movement of the sampling operation push pawl 44.

As shown in Figures 1 and 2, in the technical solution of this embodiment, the first dish-taking mechanism 60 includes a first Y-axis guide rail 61, a first Z-axis guide rail 62, a first X-axis guide rail 63, and a first dish-catching mechanism Claw 64, the first Y-axis guide rail 61 is installed in the sampling area a, the first Z-axis guide rail 62 is movably installed on the first Y-axis guide rail 61, and the first X-axis guide rail 63 is movably installed on the first Z-axis On the guide rail 62, the first dish taking claw 64 is movably installed on the first X-axis guide rail 63, and the first dish taking claw 64 is used to hold and place the culture dish. When in use, the first claw taking claw 64 moves along the X-axis direction on the first X-axis guide rail 63, the first X-axis guide rail 63 moves along the Z-axis direction on the first Z-axis guide rail 62, and the first Z-axis guide rail 62 The first Y-axis guide rail 61 moves along the Y-axis direction, so that the first dish-taking claw 64 can move freely in the space where the first dish-taking mechanism 60 is located.

Optionally, the second dish-taking mechanism 70 includes a second X-axis guide rail 71, a second Z-axis guide rail 72, a second Y-axis guide rail 73, and a second dish-catching claw 74, and the second X-axis guide rail 71 spans the sampling area. a and the cultivation area b, and across the observation area c and the cultivation area b, the second Z-axis guide 72 is movably installed on the second X-axis guide 71, and the second Y-axis guide 73 is movably installed on the second Z On the shaft guide rail 72, the second Y-axis guide rail 73 spans the sampling area a and the observation area c, and the second dish-taking claw 74 is movably installed on the second Y-axis guide rail 73, and the second dish-taking claw 74 is used for grasping Put the petri dish. When in use, the second dish claw 74 moves along the Y-axis on the second Y-axis guide rail 73, the second Y-axis guide rail 73 moves along the Z-axis on the second Z-axis guide rail 72, and the second Z-axis guide rail 72 is on the second Z-axis guide rail 72. The two X-axis guide rails 71 move along the X-axis, so as to realize the free movement of the second dish-catching claw 74 in the space where the second dish-catching mechanism 70 is located. Preferably, as shown in FIG. 2, in the technical solution of this embodiment, the second X-axis guide rail 71 and the second Z-axis guide rail 72 are both arranged in parallel, and the second dish-taking mechanism 70 is similar to the gantry crane structure. , Making the grab and place basket 50 more stable.

Optionally, the third dish-taking mechanism 80 includes a third X-axis guide rail 83, a third Z-axis guide rail 82, a third Y-axis guide 81, and a third dish-catching claw 84, and the third X-axis guide rail 83 is installed in the observation area c. , The third Z-axis guide 82 is movably installed on the third X-axis guide 83, and the third Y-axis guide 81 is movably installed on the third Z-axis guide 82, and spans the observation area c and the sample area d Installation, the third dish taking claw 84 is movably installed on the third Y-axis guide rail 81, and the third dish taking claw 84 is used to hold and place the culture dish. In use, the third claw 84 moves along the Y-axis on the third Y-axis guide 81, the third Y-axis guide 81 is the same along the Z-axis on the third Z-axis guide 82, and the third Z-axis guide 82 is on the first The three X-axis guides 83 move along the X axis, so that the third cuvette taking claw 84 can move freely in the space where the third cuvette taking mechanism 80 is located.

As an optional implementation, in the technical solution of this embodiment, the top of the basket 50 has a magnetic component, and the claws of the above-mentioned retrieval basket 50 may be an electromagnet matched with the magnetic component.

More preferably, in the technical solution of this embodiment, the automatic microbial inspection equipment further includes a second temperature adjustment device and a controller. The second temperature adjustment device is arranged in the observation area c and is used to adjust the temperature in the observation area c. For the temperature, the controller is respectively electrically connected with the first temperature adjustment device and the second temperature adjustment device, and is used to control the temperature of the observation area c to be the same as the temperature of the culture area b. In this way, the temperature of the observation area c can be controlled to be the same as the temperature of the culture area b, avoiding abnormal production of microorganisms in the petri dish caused by abnormal temperature in the observation area c. In addition, another important reason is that when the temperature in the culture area b is different from that in the observation area c, once the petri dish at a low temperature is taken to the observation area c at a higher temperature, the petri dish will be Fogging or even condensation of water droplets, the image information collected by the image of the imaging device 20 can easily calculate the water droplets or water mist as colonies in the subsequent image calculation process, which may cause errors and reduce the effectiveness of the experiment. In the technical solution of the present invention, the temperature of the observation area c is controlled to be the same as the temperature of the culture area b, and the petri dish is transferred to different areas at the same temperature to avoid fogging or condensation of water droplets on the petri dish, and to ensure the validity of the experiment.

In the technical solution of this embodiment, the temperature adjustment device includes a refrigeration element and a heating element, the refrigeration element is used for cooling, and the heating element is used for heating. When in use, the cooling element can cool the culture space to reduce the temperature of the culture space, and the heating element can heat the culture space to increase the temperature of the culture space. The temperature of the culture space can be maintained at the above two components. The temperature that meets the needs of microbial cultivation. As an option, the refrigeration element is a semiconductor refrigeration element, and specifically, a Peltier element can be selected to cooperate with a fan. Optionally, the heating element is an electric heating element, and the electric heating element can be an electric heating tube or a heat radiating element for heating.

Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships. The technologies, methods, and equipment known to those of ordinary skill in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be regarded as part of the authorization specification. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that similar reference numerals and letters indicate similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further discussed in the subsequent drawings.

For ease of description, spatially relative terms can be used here, such as "above", "above", "above the surface", "above", etc., to describe as shown in the figure Shows the spatial positional relationship between one device or feature and other devices or features. It should be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the device described in the figure. For example, if the device in the drawing is turned upside down, then a device described as "above other devices or structures" or "above other devices or structures" will then be positioned as "below the other devices or structures" or "on Under other devices or structures". Thus, the exemplary term "above" may include both orientations "above" and "below". The device can also be positioned in other different ways (rotated by 90 degrees or in other orientations), and the relative description of the space used here will be explained accordingly.

In the description of the present invention, it needs to be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom", etc. indicate the orientation Or positional relationship is usually based on the position or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description. Unless otherwise stated, these positional words do not indicate or imply the pointed device or element It must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the protection scope of the present invention; the orientation word "inside and outside" refers to the inside and outside relative to the contour of each component itself.

The above are only preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

An automatic microbiological inspection equipment, which is characterized in that it comprises: A cabin (10), in which a sampling area (a), a culture area (b), an observation area (c), and a sampling area (d) are formed, and the culture area (b) is used for To store petri dishes; The first temperature adjusting device is arranged in the culture area (b) and is used to adjust the temperature in the culture area (b); The imaging device (20) is arranged in the observation area (c), and is used for image collection of the petri dish; The sampling mechanism (30) is arranged in the sampling area (a), and is used to transport the culture dish to the sampling area (a); A sampling mechanism (40) is arranged in the sampling area (d), and is used to remove the culture dish from the sampling area (d); The basket (50) is movably arranged in the cabin (10) and is used to carry the culture dishes; The first dish-taking mechanism (60) is arranged in the cabin (10), and is used for placing the petri dish in the sampling area (a) in the basket (50) located in the sampling area (a) Inside; The second dish-taking mechanism (70) is arranged in the cabin (10) and is used to move the basket (50) at least in the sampling area (a), the culture area (b) and the observation area (c) Move; The third dish-taking mechanism (80) is arranged in the cabin (10) and is used to move the petri dish in the basket (50) of the observation area (c) to the imaging device (20), It is also used to move the petri dish from which the image has been collected to the sampling area (d). The automatic microbial inspection equipment according to claim 1, wherein the sampling mechanism (30) comprises: The sample storage basket (31) is used for stacking petri dishes, the top of the sample storage basket (31) is provided with a sample layout (311), and the bottom of the sample storage basket (31) is provided with a sample Mouth (312) and operation hole (313); The sample injection operation push claw (32) is movably arranged in the horizontal direction, and the petri dish located at the bottom of the sample injection storage basket (31) is pushed from the injection port (312) through the operation hole (313) roll out; The sampling driving member (33) is drivingly connected with the sampling operation push claw (32), and is used for driving the sampling operation push claw (32) to move. The automatic microbial inspection equipment according to claim 2, wherein the sampling mechanism (30) further comprises a sampling slide (34), the sampling slide (34) and the sampling port (312) Connected and used to transport the petri dish from the sampling port (312) to the sampling area (a). The automatic microbial inspection equipment according to claim 1, wherein the sampling mechanism (40) comprises: The sample output storage basket (41) is used for stacking petri dishes, and the top of the sample output storage basket (41) is provided with a sample output code release port (411); The liftable bottom plate (42) is set up in the sample storage basket (41) in a liftable manner; The lifting drive member (43) drives the lifting bottom plate (42) to lift; The sample ejection operation push claw (44) is movably arranged in the horizontal direction, and is used to push the petri dish from the sample exit code setting port (411) into the sample exit storage basket (41) The sample output driving member (45) is drivingly connected with the sample output operation push claw (44), and is used for driving the sample output operation push claw (44) to move. The automatic microbial inspection equipment according to claim 4, characterized in that, the sample discharging mechanism (40) further comprises a sample discharging slide plate (46), and the sample discharging slide plate (46) is connected to the sample discharging code setting port (411). ) Is connected, and is used to transport the petri dish from the sample exit area (d) to the sample exit code opening (411). The automatic microbial inspection equipment according to claim 5, characterized in that the sample discharging slide plate (46) is provided with an avoiding groove (461) for avoiding the sample discharging operation push claw (44). The automatic microorganism inspection equipment according to claim 1, wherein the first dish-taking mechanism (60) comprises: The first Y-axis guide rail (61) is installed in the sampling area (a); The first Z-axis guide rail (62) is movably installed on the first Y-axis guide rail (61); The first X-axis guide rail (63) is movably installed on the first Z-axis guide rail (62); The first dish taking claw (64) is movably installed on the first X-axis guide rail (63), and the first dish taking claw (64) is used to hold and place the culture dish. The automatic microorganism inspection equipment according to claim 1, wherein the second dish-taking mechanism (70) comprises: The second X-axis guide rail (71) is installed across the sample injection zone (a) and the culture zone (b) and across the observation zone (c) and the culture zone (b); The second Z-axis guide rail (72) is movably installed on the second X-axis guide rail (71); The second Y-axis guide rail (73) is movably installed on the second Z-axis guide rail (72), and the second Y-axis guide rail (73) spans the sampling area (a) and the observation District (c); The second dish-taking claw (74) is movably installed on the second Y-axis guide rail (73), and the second dish-taking claw (74) is used for grasping and placing the culture dish. The automatic microorganism inspection equipment according to claim 1, wherein the third dish-taking mechanism (80) comprises: The third X-axis guide rail (83) is installed in the observation area (c); The third Z-axis guide rail (82) is movably installed on the third X-axis guide rail (83); The third Y-axis guide rail (81) is movably installed on the third Z-axis guide rail (82), and is installed across the observation area (c) and the sample exit area (d); The third dish taking claw (84) is movably installed on the third Y-axis guide rail (81), and the third dish taking claw (84) is used for grasping and placing the culture dish. The automatic microbial inspection equipment according to claim 1, wherein the automatic microbial inspection equipment further comprises: The second temperature adjustment device is arranged in the observation area (c) and is used to adjust the temperature in the observation area (c); The controller is respectively electrically connected with the first temperature adjustment device and the second temperature adjustment device, and is used for controlling the temperature of the observation area (c) to be the same as the temperature of the culture area (b).

Images